Printhead frame



FIG. 1 is a perspective view of the printhead frame;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a right side view;

FIG. 5 is a left side view;

FIG. 6 is a top view; and,

FIG. 7 is a bottom view.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. 

The ornamental design for a printhead frame, substantially as shown and described. 